BCM 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15 $146.18
Aero Precision APAR501801C Receiver Multi-Caliber 7075-T6 Aluminum Flat Dark Earth Cerakote for AR-15 $114.99
Bowden Tactical J27113 AR Rifle Build Kit Complete, 13" M-Lok Handguard, Mil-Spec Parts, Flip Up Sights $725.95
Aero Precision APAR501603AC Assembled Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15 $124.99
Bowden Tactical J27115 AR Rifle Build Kit Complete, 15" M-Lok Handguard, Mil-Spec Parts, Flip Up Sights $725.95
Sig Sauer 8900448 Ambidextrous Charging Handle Sig 716i Tread Black Aluminum Ambidextrous Hand $72.50
Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head Shield Handguard for M4 Carbine $857.75
SilencerCo AC5065 SCO15 Stripped Upper Receiver Black Anodized Aluminum for Mil-Spec AR-15 Lower $219.00